Answered: To replace current values with…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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To replace current values with different values dynamically, replace is very helpful.

To demonstrate this, if you wanted to replace the zeroes and ones in the current dataset with boolean values, true or false, you could do this using replace.

In df, replace 0 with False and 1 with True.

Store this output in df_bool.

To replace current values with different values dynamically, replace is very helpful.
To demonstrate this, if you wanted to replace the zeroes and ones in the current dataset with boolean values, true or false, you could do this using replace.
In df , replace o with False and 1 with True .
Store this output in df_bool.
In [ ]: # YOUR CODE HERE
df bool =
In [ ]: assert df_bool.shape
df.shape
==
assert df_bool.loc[1,'chocolate']
assert df_bool.iloc[0,0]
assert type (df_bool.loc[1,'chocolate']) != np.int64
True
==
'100 Grand'
In [ ]: df_bool

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